Climate and monthly weather forecastChartwell, South Africa
Climate and monthly weather forecast
Weather in January
January, the same as December, is a moderately hot summer month in Chartwell, South Africa, with temperature in the range of an average high of 27.8°C (82°F) and an average low of 17°C (62.6°F). January proves to be the warmest month, recording an average peak temperature of 27.8°C (82°F) and a minimum temperature of 17°C (62.6°F). January's heat index is computed to be a tropical 30°C (86°F). Weather in January »Weather in February
The last month of the summer, February, is another warm month in Chartwell, South Africa, with an average temperature varying between 27.6°C (81.7°F) and 16.3°C (61.3°F). The transition into February notes an average high-temperature of a still moderately hot 27.6°C (81.7°F), revealing a mild distinction from the 27.8°C (82°F) in January. Weather in February »Weather in March
March, the first month of the autumn in Chartwell, is also a moderately hot month, with an average temperature varying between 26.6°C (79.9°F) and 15.1°C (59.2°F). The introduction of March sees an average high-temperature of a still moderately hot 26.6°C (79.9°F), hardly deviating from February. Weather in March »Weather in April
April, the same as March, is another warm autumn month in Chartwell, South Africa, with an average temperature fluctuating between 23.2°C (73.8°F) and 12.3°C (54.1°F). In Chartwell, entering April brings a subtle temperature decrement, reducing from March's 26.6°C (79.9°F) to a still warm 23.2°C (73.8°F). Weather in April »Weather in May
The last month of the autumn, May, is another pleasant month in Chartwell, South Africa, with an average temperature fluctuating between 21.5°C (70.7°F) and 9.9°C (49.8°F). Chartwell, South Africa, records an average high-temperature of an agreeable 21.5°C (70.7°F) as May arrives, nearly mirroring the previous month's climate. Weather in May »Weather in June
The first month of the winter, June, is also an enjoyable month in Chartwell, South Africa, with temperature in the range of an average low of 6.4°C (43.5°F) and an average high of 18.3°C (64.9°F). The transition into June is accompanied by a slight temperature decrease, with the average high-temperature shifting from an agreeable 21.5°C (70.7°F) in May to a comfortable 18.3°C (64.9°F). Weather in June »Weather in July
July, the same as June, is another enjoyable winter month in Chartwell, South Africa, with temperature in the range of an average low of 6.4°C (43.5°F) and an average high of 18.2°C (64.8°F). July, marked by an average high-temperature of 18.2°C (64.8°F) and a low-temperature of 6.4°C (43.5°F), is the coldest month. Weather in July »Weather in August
August, the last month of the winter in Chartwell, is a pleasant month, with an average temperature fluctuating between 21.4°C (70.5°F) and 8.8°C (47.8°F). August witnesses a minor rise in the average high-temperature, transitioning from an enjoyable 18.2°C (64.8°F) in July to a pleasant 21.4°C (70.5°F). Weather in August »Weather in September
September, the first month of the spring in Chartwell, is a moderately hot month, with an average temperature ranging between min 11.9°C (53.4°F) and max 25.8°C (78.4°F). Chartwell experiences a minor temperature shift with the start of September, with average high-temperatures moving from a pleasant 21.4°C (70.5°F) in August to a moderately hot 25.8°C (78.4°F). Weather in September »Weather in October
October, like September, in Chartwell, South Africa, is a moderately hot spring month, with an average temperature varying between 14.8°C (58.6°F) and 27.2°C (81°F). In October, Chartwell experiences a minor shift in meteorological conditions with average high-temperatures marked at a still warm 27.2°C (81°F), closely mirroring the climate in September. Weather in October »Weather in November
The last month of the spring, November, is also a moderately hot month in Chartwell, South Africa, with temperature in the range of an average low of 15.7°C (60.3°F) and an average high of 27.4°C (81.3°F). As Chartwell welcomes November, the average high-temperature records at a still warm 27.4°C (81.3°F), marking an insignificant deviation from the prior month. Weather in November »Weather in December
The first month of the summer, December, is also a moderately hot month in Chartwell, South Africa, with an average temperature fluctuating between 16.7°C (62.1°F) and 27.7°C (81.9°F). The shift into December finds Chartwell at an average high-temperature of a still moderately hot 27.7°C (81.9°F), closely comparable to November's conditions. Weather in December »Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January temperatures tend to peak at an average high of 27.8°C (82°F) and dip to a low of 17°C (62.6°F).
January is the most humid month, with an average relative humidity of 64%.
The month with the most rainfall is January, when the rain falls for 19.2 days and typically aggregates up to 82mm (3.23") of precipitation.
Throughout the year, in Chartwell, South Africa, there are 109.7 rainfall days, and 385mm (15.16") of precipitation is accumulated.
January through March, October through December, with an average maximum UV index of 6, are months with the highest UV index in Chartwell, South Africa.
May through July, with an average maximum UV index of 4, are months with the lowest UV index in Chartwell, South Africa.
With an average of 10h and 30min of daylight, June has the shortest days of the year.
The coldest period is July, when temperatures fluctuate between an average high of 18.2°C (64.8°F) and a low of 6.4°C (43.5°F).
The only month without rainfall in Chartwell is July.
January through June, August through December are months with rainfall in Chartwell.
With an average of 7.5h of sunshine, August has the least sunshine of the year.
The least humid month is September, with an average relative humidity of 35%.
With an average of 11.8h of sunshine, October has the most sunshine of the year in Chartwell, South Africa.
The month with the longest days is December, with an average of 13h and 42min of daylight.
Chartwell does not observe Daylight Saving Time (DST). SAST timezone is used over the entire year.
Average temperature
Chartwell, South Africa
The warmest month (with the highest average high temperature) is January (27.8°C).
The month with the lowest average high temperature is July (18.2°C).
The month with the highest average low temperature is January (17°C).
The coldest months (with the lowest average low temperature) are June and July (6.4°C).
Average pressure
Chartwell, South Africa
- Average pressure in January:
1012.9mbar - Average pressure in February:
1013.7mbar - Average pressure in March:
1015.8mbar - Average pressure in April:
1018.8mbar - Average pressure in May:
1021mbar - Average pressure in June:
1023.6mbar
- Average pressure in July:
1024.6mbar - Average pressure in August:
1021.3mbar - Average pressure in September:
1018.3mbar - Average pressure in October:
1015.4mbar - Average pressure in November:
1014mbar - Average pressure in December:
1013.2mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed
Chartwell, South Africa
- Average wind speed in January:
8.7km/h - Average wind speed in February:
8.5km/h - Average wind speed in March:
7.8km/h - Average wind speed in April:
8km/h - Average wind speed in May:
7.5km/h - Average wind speed in June:
8.6km/h
- Average wind speed in July:
8.6km/h - Average wind speed in August:
10.2km/h - Average wind speed in September:
10.8km/h - Average wind speed in October:
11.2km/h - Average wind speed in November:
11.2km/h - Average wind speed in December:
9.6km/h
The windiest months (with the highest average wind speed) are October and November (11.2km/h).
The calmest month (with the lowest average wind speed) is May (7.5km/h).
Average humidity
Chartwell, South Africa
The month with the highest relative humidity is January (64%).
The month with the lowest relative humidity is September (35%).
Average rainfall
Chartwell, South Africa
The wettest month (with the highest rainfall) is January (82mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days
Chartwell, South Africa
- Average rainfall days in January:
19.2 days - Average rainfall days in February:
15 days - Average rainfall days in March:
14.9 days - Average rainfall days in April:
9.8 days - Average rainfall days in May:
3.3 days - Average rainfall days in June:
1.2 days
- Average rainfall days in July:
0.7 days - Average rainfall days in August:
1.2 days - Average rainfall days in September:
2.8 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
14.6 days - Average rainfall days in December:
17.8 days
The month with the highest number of rainy days is January (19.2 days).
The month with the least rainy days is July (0.7 days).
Average daylight / Average sunshine
Chartwell, South Africa
- Average daylight in January:
13h and 30min - Average daylight in February:
13h and 0min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 30min - Average daylight in May:
10h and 48min - Average daylight in June:
10h and 30min
- Average daylight in July:
10h and 42min - Average daylight in August:
11h and 12min - Average daylight in September:
11h and 54min - Average daylight in October:
12h and 42min - Average daylight in November:
13h and 24min - Average daylight in December:
13h and 42min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in January:
11h and 18min - Average sunshine in February:
11h and 18min - Average sunshine in March:
9h and 30min - Average sunshine in April:
7h and 36min - Average sunshine in May:
7h and 36min - Average sunshine in June:
7h and 36min
- Average sunshine in July:
7h and 42min - Average sunshine in August:
7h and 30min - Average sunshine in September:
9h and 36min - Average sunshine in October:
11h and 48min - Average sunshine in November:
11h and 30min - Average sunshine in December:
11h and 12min
The month with the most sunshine is October (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).
Average sunshine days
Chartwell, South Africa
- Average sunshine days in January:
9.5 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
13.7 days - Average sunshine days in April:
18.7 days - Average sunshine days in May:
27.2 days - Average sunshine days in June:
28.4 days
- Average sunshine days in July:
30.2 days - Average sunshine days in August:
29.6 days - Average sunshine days in September:
26.5 days - Average sunshine days in October:
19.8 days - Average sunshine days in November:
12.6 days - Average sunshine days in December:
9.9 days
The month with the most sunshine days is July (30.2 days).
The month with the least sunshine days is January (9.5 days).
Average UV index
Chartwell, South Africa
The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover
Chartwell, South Africa
The month with the most cloud cover is January (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility
Chartwell, South Africa
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
